 | | | Difficulty: Middle school |
| Do different brands of sunscreen have different strengths?
I wanted to know if SPF matters when you buy sun block. For example, does a CVS brand 30 sunblock work better than a CVS brand 15 sunblock? I also wanted to know if higher priced sunblock works better than lower priced sunblock of the same SPF? My hypothesis was that the higher the SPF the better it would protect and that higher priced sun block would work better than lower priced. |
| | Difficulty: Middle school |
| | | Difficulty: Middle school |
| Do different gases expand differently when heated?
The purpose of this experiment was to compare the amount of heat expansion in various gases. The information gained from this experiment will determine what temperature you need to keep your balloons at so that it can have more volume.
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| | Difficulty: Middle school |
| Does black or white color absorb light better?
The purpose of the following experiment is to demonstrate that energy from the sun can be collected and stored in many ways. In particular, it demonstrates the difference in the rate of absorption between black and white colors. |
| | Difficulty: Elementary school |
| | | Difficulty: High school |
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| | | Difficulty: Elementary school |
| Does wind increase the rate of evaporation?
The purpose of this experiment is to determine if fans really cool the body and its temperature, I believe that the fan will evaporate the water it is blowing on, which is acting like perspiration on skin. The humid layer should be replaced by a dryer, cooler layer. The water in the pan which the air current is blowing on should evaporate quicker than the second pan, and it should be cooler than t |
| | Difficulty: Elementary school |
| How does rubber respond to heat?
Just about everyone has used rubber bands, but few people have taken the time to observe the less obvious properties of these everyday objects. In this activity you will examine the thermal properties of rubber, that is, the behavior of rubber as it relates to heat, a form of energy. |
| | Difficulty: Elementary school |
| | | Difficulty: Elementary school |
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Science kits, science lessons, science toys, maths toys, hobby kits,
science games and books - these are some of many products that can
help give your kid an edge in their science fair projects, and develop
a tremendous interest in the study of science. When shopping for
a science kit or other supplies, make sure that you carefully review
the features and quality of the products. Compare prices by going
to several online stores. Read product reviews online or refer to
magazines.
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